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Hamdan, A., Audinot, J.-N., Noel, C., Kosior, F., Henrion, G. and Belmonte, T.
Applied Surface Science, 274:378-391
2013

Resume: Interaction of discharges in heptane with magnetron-sputtered thin films made of aluminum, copper or iron is studied in a pin-to-plate configuration. The behavior of discharges on thin films can be used to better understand the interaction of discharges with given surfaces and it might also improve the reproducibility of the impacts in order to better control their shape. Single layers and bilayers of metals are characterized after impact by SEM, AFM, micro-EDX and nano-SIMS analyses. Discharges last typically for a few hundreds of nanoseconds and dissipated energies range between 1 and 100 mJ. We show that at low impact energy, copper and aluminum are heated and stretched by surface stress. At intermediate energy, melting occurs, leading to the synthesis of external beads by Marangoni's convection. At high energy, the shape of the impact is defined by the pressure release when the discharge stops. When iron is deposited onto silicon, dewetting is an important mechanism. The columnar structure of the deposit may have two distinct roles. On the one hand, gases trapped in intercolumnar boundaries can produce tiny holes. On the other hand, the shock wave can abrade the outermost and less cohesive part of the film if it is made of columns separated by large porosities. (C) 2013 Elsevier B.V. All rights reserved.

Equipe: Département CP2S : Expériences et Simulations des Plasmas Réactifs - Interaction plasma-surface et Traitement des Surfaces ESPRITS

Hamdan, A., Audinot, J. -N., Noel, C., Kosior, F., Henrion, G. and Belmonte, T.
APPLIED SURFACE SCIENCE, 274:378-391 Belmonte, T (Reprint Author), Univ Lorraine, Inst Jean Lamour, UMR CNRS 7198, F-54011 Nancy, France. Hamdan, A.; Noel, C.; Kosior, F.; Henrion, G.; Belmonte, T., Univ Lorraine, Inst Jean Lamour, UMR CNRS 7198, F-54011 Nancy, France. Audinot, J. -N., Ctr Rech Publ Gabriel Lippmann, SAM Dept, L-4422 Belvaux, Luxembourg. Noel, C.; Kosior, F.; Henrion, G.; Belmonte, T., CNRS, Inst Jean Lamour, UMR CNRS 7198, F-54011 Nancy, France.
2013
ISSN: 0169-4332

Mots clefs: Microplasma; Plasma in liquids; Plasma-surface interaction; Thin films

Resume: Interaction of discharges in heptane with magnetron-sputtered thin films made of aluminum, copper or iron is studied in a pin-to-plate configuration. The behavior of discharges on thin films can be used to better understand the interaction of discharges with given surfaces and it might also improve the reproducibility of the impacts in order to better control their shape. Single layers and bilayers of metals are characterized after impact by SEM, AFM, micro-EDX and nano-SIMS analyses. Discharges last typically for a few hundreds of nanoseconds and dissipated energies range between 1 and 100 mJ. We show that at low impact energy, copper and aluminum are heated and stretched by surface stress. At intermediate energy, melting occurs, leading to the synthesis of external beads by Marangoni's convection. At high energy, the shape of the impact is defined by the pressure release when the discharge stops. When iron is deposited onto silicon, dewetting is an important mechanism. The columnar structure of the deposit may have two distinct roles. On the one hand, gases trapped in intercolumnar boundaries can produce tiny holes. On the other hand, the shock wave can abrade the outermost and less cohesive part of the film if it is made of columns separated by large porosities. (C) 2013 Elsevier B.V. All rights reserved.

Equipe: Centre de Compétences : ERMIONE informatique et calcul

Hamdan, A., Audinot, J.-N., Noel, C., Kosior, F., Henrion, G. and Belmonte, T.
Applied Surface Science, 274:378-391
2013

Resume: Interaction of discharges in heptane with magnetron-sputtered thin films made of aluminum, copper or iron is studied in a pin-to-plate configuration. The behavior of discharges on thin films can be used to better understand the interaction of discharges with given surfaces and it might also improve the reproducibility of the impacts in order to better control their shape. Single layers and bilayers of metals are characterized after impact by SEM, AFM, micro-EDX and nano-SIMS analyses. Discharges last typically for a few hundreds of nanoseconds and dissipated energies range between 1 and 100 mJ. We show that at low impact energy, copper and aluminum are heated and stretched by surface stress. At intermediate energy, melting occurs, leading to the synthesis of external beads by Marangoniâ??s convection. At high energy, the shape of the impact is defined by the pressure release when the discharge stops. When iron is deposited onto silicon, dewetting is an important mechanism. The columnar structure of the deposit may have two distinct roles. On the one hand, gases trapped in intercolumnar boundaries can produce tiny holes. On the other hand, the shock wave can abrade the outermost and less cohesive part of the film if it is made of columns separated by large porosities.

Equipe: Département CP2S : Expériences et Simulations des Plasmas Réactifs - Interaction plasma-surface et Traitement des Surfaces ESPRITS

Lu, Y., Lacour, D., Lengaigne, G., Le Gall, S., Suire, S., Montaigne, F. and Hehn, M.
Applied Physics Letters, 103(2)
2013

Equipe: Département P2M : Nanomagnétisme et Electronique de Spin

Lu, Y., Lacour, D., Lengaigne, G., Le Gall, S., Suire, S., Montaigne, F. and Hehn, M.
Applied Physics Letters, 103(2)
2013

Equipe: Centre de Compétences : MiNaLor micro et nanotechnologies

Aeby-Gautier, E., Settefrati, A., Bruneseaux, F., Appolaire, B., Denand, B., Dehmas, M., Geandier, G. and Boulet, P.
JOURNAL OF ALLOYS AND COMPOUNDS, 577:S439-S443
2013
ISSN: 0925-8388

Equipe: Centre de Compétences : X-Gamma rayons X et spectroscopie

Aeby-Gautier, E., Settefrati, A., Bruneseaux, F., Appolaire, B., Denand, B., Dehmas, M., Geandier, G. and Boulet, P.
Journal of Alloys and Compounds, 5775:439-443
2013

Equipe: Département SI2M : Microstructures et Contraintes

Chen, S.-W., Guo, H., Seu, K.A., Dumesnil, K., Roy, S. and Sinha, S.K.
Physical Review Letters, 110(21)
2013

Equipe: Département P2M : Nanomagnétisme et Electronique de Spin

Briones, J., Toro, P., Encinas, A., Caballero, L., Denardin, J.C., Melo, F., Cerda, E., Robert, S., Lacour, D. and Montaigne, F.
Applied Physics Letters, 103(7)
2013

Equipe: Département P2M : Nanomagnétisme et Electronique de Spin

Briones, J., Toro, P., Encinas, A., Caballero, L., Denardin, J. C., Melo, F., Cerda, E., Robert, S., Lacour, D. and Montaigne, F.
APPLIED PHYSICS LETTERS, 103
2013
ISSN: 0003-6951

Equipe: Centre de Compétences : X-Gamma rayons X et spectroscopie

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